Cláudio Duarte Mamberti (Santos, October 29, 1940 – São Paulo, September 19, 2001) was a Brazilian film, theatre and television actor. He was director of the São Paulo Artists and Technicians Union, along with Lélia Abramo, Renato Consorte, Dulce Muniz and Robson Camargo. He was the brother of fellow actor Sérgio Mamberti.